2.1进入docker镜像官网查看centos版本
容器镜像地址: hub.docker.com
2.2拉取centos7.9的镜像
[root@zzp ~]# docker pull centos:centos7.9.2009
centos7.9.2009: Pulling from library/centos
2d473b07cdd5: Already exists
Digest: sha256:9d4bcbbb213dfd745b58be38b13b996ebb5ac315fe75711bd618426a630e0987
Status: Downloaded newer image for centos:centos7.9.2009
docker.io/library/centos:centos7.9.2009
[root@zzp ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
mysql 5.7 aa803eda0f25 2 weeks ago 433MB
centos centos7.9.2009 eeb6ee3f44bd 13 months ago 204MB
2.3启动容器
备注:
-it 选项是交互形式运⾏
-d表⽰在后台运⾏
CTRL+P+Q 退出容器,但不会把容器停⽌
exit 这种⽅法会连带容器也停⽌掉
2.3.1使⽤镜像id直接启动
[root@zzp ~]# docker run -itd eeb6ee3f44bd /bin/bash
1742372de4d6959baae854bc9aec68040845592a9396522dbec9c89730e17f19
[root@zzp ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1742372de4d6 eeb6ee3f44bd "/bin/bash" 21 seconds ago Up 16 seconds sharp_gagarin
2.3.2使⽤镜像id启动并设置容器端口映射和登录name
备注:
-p 5000:22 容器端口为5000,5000映射到22
-- privileged=true 表⽰使⽤特权模式,使⽤这个参数的时候,容器内的root有⽤真正的root权限
[root@zzp ~]# docker rm -f 1742372de4d6
[root@zzp ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
[root@zzp ~]# docker run -itd --name=centos --privileged=true -p 5000:22 centos:centos7.9.2009 /usr/sbin/init
[root@zzp ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
132d3d3be6c8 centos:centos7.9.2009 "/usr/sbin/init" About a minute ago Up About a minute 0.0.0.0:5000->22/tcp, :::5000->22/tcp keen_yalow
[root@zzp ~]#
2.4登入容器
[root@zzp ~]# docker exec -it centos /bin/bash
[root@5c796fd824de /]# ls
anaconda-post.log dev home lib64 mnt proc run srv tmp var
bin etc lib media opt root sbin sys usr
[root@5c796fd824de /]#
2.5安装常用工具及ssh服务
[root@5c796fd824de /]# yum install -y openssh-server vim lrzsz wget gcc-c++
Complete!
2.6安装ifconfig命令
[root@5c796fd824de /]# yum install -y net-tools
Complete!
2.7启动ssh
若不能用systemctl启动则需安装 initscripts文章来源:https://www.toymoban.com/news/detail-424081.html
[root@5c796fd824de /]# systemctl start sshd
[root@5c796fd824de /]# netstat -antup | grep sshd
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 247/sshd
tcp6 0 0 :::22 :::* LISTEN 247/sshd
[root@5c796fd824de /]#
2.8设置账号密码
[root@5c796fd824de /]# whoami
root
[root@5c796fd824de /]# echo 12345678|passwd --stdin root
Changing password for user root.
passwd: all authentication tokens updated successfully.
2.9Xshell远程连接docke_centos7.9
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